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�ocation shall be docurn�nted and platted by a registered <br /> �and surveyar. <br /> s Pipes withi� a su�ply line netwark shall not cross each <br /> pther ax�d shall �e located at minimum 6" apazt and <br /> propearly bedded ta avo�d contact �etween the pipes and <br /> eontact with rock. <br /> • An apprpved and accessible aar release valve shall be <br /> pro�ided at a11 high points to �revent air lockin� af �he <br /> supply line whenever <br /> o An intermediate high poin� exis�s in the supply Iine <br /> befiwee� the pump and the dischar�e poin� and the <br /> d'zstance between the low �aoint ar�d high point in the <br /> force rnai�exceeds 10 vertical feet, ar <br /> o t�e �eng�h of the forc��nain e�eeeds 1000 feet. <br /> n The valve station and distal end o�`eaeh supply line <br /> shall be permane�tly ma;rked r�ith the �o� number <br /> a�d shall coz�tai� iso�atian(ball)valves. <br /> • A minimum burial depth of three feet and a maximum n�' <br /> six feet, as m�asur�d fra� the crown o£ the pipe �o the <br /> ground sur�'ace, shall be �ravided thra�ag�Zaut the lengt�i of <br /> the force rr�ain. <br /> • Each end of the supply pipes shall be terminated r�vith a <br /> turnup at least 12 inclaes above grade and sha11 �e <br /> pez7ma��n�1y �abeled wxth an ide�tzfzear. <br /> 38.4.5 Drain fieTd: The nitrifieation field shall be sizec� by the ZTAR as det�rmined <br /> in .1955, .1956 and 1957. <br /> 38.4.5 Drain fields and other s�pply Iine components sha11 be z'easonably protected <br /> fram tzaffic ar a�her uz�autharized access. <br /> �8.5 Installa�ian and Tes�ing Proced�res: <br /> 38.5.1 A precanstructian ca�ference sha11 be required to be attended by�he <br /> systern designer, installer, local health departm�nt, and th� 1"ace�sed soil <br /> scientist and registered professio�al �;ngineer, as app�icable, prioz�to <br /> begi�aing cozastruction of�he remote systein. <br /> 3$.5.2 Tl�e septic tar�k, dosing ta�k, and�ipe penetratioi�s shall be de�Qnstrated <br /> to be watertight lay az�acceptable �eak test. <br /> 38,5.3 Ni�i�ication fieids s�all be graded to shed surface water and 'zn a matter <br /> �hich �acilitates easy mainter�ance with staz�darci znowing equipment. A <br /> grass pr a�her suitable vege�ative cover sha11 be established so as to preve�t <br /> ez-asap� and�a allow for effective system inspection. <br /> 38.5.4 Force maii�a shall he press�re tested anci�eak tested aceording to the <br /> �rotacol out�zned in the appendix. Testing results rnust be verified and <br /> documentec�by eithez a�'.E. or�he LHD representative. Appropriate <br /> iso�atian valves shali be pro�ided if the force�nain is�ested ir�segments. <br /> Page 6 of"7 �� <br /> Review Due Bate: April 17,2009 <br /> Reviewed by: �nvironmentr�l Flealth Director <br />